Finding the Fourth Proportional to 139,396,909.84, 209,072,639.37 and 41,005,605.88
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Solution
The fourth proportional to 139,396,909.84, 209,072,639.37 and 41,005,605.88 is: 61,501,723.82
Step by Step Solution
- Step 1: Write the proportion equation
139,396,909.84 : 209,072,639.37 = 41,005,605.88 : x - Step 2: Convert to fraction form
139,396,909.84/209,072,639.37 = 41,005,605.88/x - Step 3: Cross multiply
139,396,909.84x = 209,072,639.37 × 41,005,605.88 - Step 4: Simplify right side
139,396,909.84x = 8,573,150,250,539,698 - Step 5: Solve for x
x = 8,573,150,250,539,698/139,396,909.84 - Step 6: Final answer
x = 61,501,723.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.